Home / 646,704.02-892,479.11-360,224.25

Finding the Fourth Proportional to 646,704.02, 892,479.11 and 360,224.25

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Solution

The fourth proportional to 646,704.02, 892,479.11 and 360,224.25 is: 497,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,704.02 : 892,479.11 = 360,224.25 : x
  2. Step 2: Convert to fraction form
    646,704.02/892,479.11 = 360,224.25/x
  3. Step 3: Cross multiply
    646,704.02x = 892,479.11 × 360,224.25
  4. Step 4: Simplify right side
    646,704.02x = 321,492,616,239.30
  5. Step 5: Solve for x
    x = 321,492,616,239.30/646,704.02
  6. Step 6: Final answer
    x = 497,124.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.